Question

in which of the following would the motor units have the fewest muscle fibers?

muscles of the neck

muscles that control the eyes

postural muscles of the back

thigh muscles

calf muscles

Explanation:

Motor units with fewer muscle fibers allow for more precise control. Muscles that control the eyes (extraocular muscles) need very fine - tuned movements. In contrast, muscles like those of the neck, back (postural), thigh, and calf are involved in more gross movements and typically have motor units with more muscle fibers.

Answer:

muscles that control the eyes